Paint Shop Pro uses Tubes--they are a bit like a Photoshop brush, you can "paint" them into a scene. I'm not sure how that would apply to Poser or 3d art, however, unless you just used them as additions in your backgrounds, in a PSP scene.

Poser Pro 2014

My personal website: Novels, photos, video, sculptures and more
Evidence of a Lost City: An animated movie and novel, in progress
Hag: A novel and live-action movie